HT49R70A-1

Effective Inventory5,352

8-Bit Microcontroller

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Service & Packaging

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HT49R70A-1 DataSheet

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HT49R70A-1 Description

The HT49R70A-1 is an 8-bit microcontroller from Holtek Semiconductor Inc, designed for embedded control and processing applications. This device features a 2Kx13 OTP ROM, 64x8 RAM, and various peripherals such as 5 channels of PWM output, 16-bit timer/counter, 10-bit A/D converter, brown-out detection circuit, watchdog timer, and low voltage detector.

Pin Details

The HT49R70A-1 is a microcontroller with 100 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.

Pin configuration

  • Pin 1 (VCC): Positive Power Supply
  • Pin 2 (GND): Ground
  • Pin 3 (P0.0): Port 0 Pin 0
  • Pin 4 (P0.1): Port 0 Pin 1
  • Pin 5 (P0.2): Port 0 Pin 2
  • Pin 100 (INT): Interrupt Input

Features

  • 8-bit microcontroller: Offers high-performance processing capabilities for embedded control applications.
  • 2Kx13 OTP ROM: Provides a large amount of program memory for storing firmware and data.
  • 64x8 RAM: Offers sufficient data storage capacity for various applications.
  • PWM output: Enables the generation of pulse-width modulated signals for controlling DC motors, LEDs, and other devices.
  • Timer/counter: Provides a high-resolution timer for measuring time intervals and counting events.
  • A/D converter: Enables analog-to-digital conversion for reading sensor data and controlling external devices.

Applications

The HT49R70A-1 is suitable for various embedded control applications, including industrial automation, automotive systems, medical devices, and consumer electronics.

Where to Use:

This microcontroller can be used in a wide range of applications where high-performance processing, data storage, and peripheral interfaces are required. Some examples include:

  • Industrial control systems
  • Automotive electronics
  • Medical devices
  • Consumer electronics

Manufacturer

The HT49R70A-1 is manufactured by Holtek Semiconductor Inc, a leading provider of microcontrollers and other semiconductor components.

Packages

The HT49R70A-1 comes in a QFN100 package, which offers a compact and efficient solution for integrating the microcontroller into electronic circuits.

Equivalent Parts of HT49R70A-1

  • HT48R40A: A comparable 8-bit microcontroller from Holtek Semiconductor Inc with similar features and performance.
  • ATmega328P: An alternative 8-bit microcontroller from Atmel Corporation that offers equivalent functionality.
HT49R70A-1

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Life Cycle Code Obsolete Part Package Code QFP
Pin Count ! 100 Reach Compliance Code compliant
HTS Code ! 8542.31.00.01 Has ADC NO
Bit Size 8 Clock Frequency-Max 8 MHz
DAC Channels NO DMA Channels NO
JESD-30 Code R-PQFP-G100 Length 20 mm
Number of I/O Lines 24 Number of Terminals 100
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
PWM Channels NO Package Body Material PLASTIC/EPOXY
Package Code QFP Package Equivalence Code QFP100,.75X.99
Package Shape RECTANGULAR Package Style FLATPACK
Power Supplies ! 3/5 V Qualification Status ! Not Qualified
RAM (bytes) 224 ROM (words) 8192
ROM Programmability UVPROM Speed 8 MHz
Supply Current-Max 5 mA Supply Voltage-Max 5.5 V
Supply Voltage-Min 3.3 V Supply Voltage-Nom 5 V
Surface Mount ! YES Technology CMOS
Temperature Grade ! INDUSTRIAL Terminal Form ! GULL WING
Terminal Pitch ! 0.65 mm Terminal Position QUAD
Width 14 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification HT49R70A-1 PDF Download

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